When Dave said he had mutual friends with two of Lauren's exes, she said they were never official boyfriends. However, Dave struggled with the fact that his fiancé was talking with another man shortly before appearing on "Love Is Blind," especially since he hadn't had a girlfriend in four years.

"You can't come back from that. Because again, I truly look back and I'm like, this wasn't about this guy. This was about you and the way that you treated me," Lauren O'Brien tells PEOPLE of ex Dave B

“If you and your partner are not able to be mindful of how your emotions and reactions play a role in how you handle disagreements within the relationship, it can create a negative cycle of disrespect, emotional distress and, in the long run, resentment toward each other.

Love Is Blind star David “Dave” Bettenburg has sparked controversy within the first six episodes of season 8. While fans were quick to call him out about his “jokes” to the women in the pods, his somewhat unhinged reaction to his fiancée Lauren O’Brien’s situationship prior to coming on the show has viewers reeling.

Dave Bettenburg is taking responsibility for the way his Love Is Blind engagement with Lauren O’Brien ended. “I’m far from perfect and I’m not here for sympathy. This experiment was very difficult and I’ve learned a lot this past year,

Love Is Blind star David “Dave” Bettenburg opened up about his split from ex-fiancée, Lauren O’Brien, and he said there was no way he could have married her. "I think the whole situation of her having a 'boyfriend' going into it and me having to experience and try to play — not play two

Newly engaged couple Dave and Lauren clash over Lauren's dating history in the latest installment of episodes from Season 8.

Love Is Blind's Lauren O’Brien revealed how Dave's attitude shifted after their phones were returned. ‘I could feel a shift from him pretty immediately.’